Is this on snow leopard and did you/do you have a guest account on your machine? http://www.boygeniusreport.com/2009/10/12/reports-snow-leopard-randomly-deleting-user-data/
Otherwise, your data is probably on your drive. Run DiskWarrior 4 and see if it will recover your files. Deleting on OS X isn't wiping.
Khassaki > HI EVERYBODY!!!!!!!!!!
Judge-Mental > try pressing the the Caps Lock key
Khassaki > O THANKS!!! ITS SO MUCH EASIER TO WRITE NOW!!!!!!!
Judge-Mental > fuck me